Scalp & Follicle Active

Biotinoyl Tripeptide-1

also on labels as Procapil (with Apigenin & Oleanolic Acid) · Biotin-GHK

Vitamin-linked signal peptide (key active in the Procapil™ complex) that stimulates follicle metabolism, improves scalp microcirculation, and strengthens root anchoring to reduce shedding.

protein scalp active Good to know Hair types

How it's writtenOn a label, look for

Biotinoyl Tripeptide-1
Procapil (with Apigenin & Oleanolic Acid)
Biotin-GHK

We haven't read a label with it yet.We've read 34 so far.

Good to know

Targeted scalp-anchoring peptide—distinct from Copper Tripeptide-1 (wound/inflammation signaling) and does not cause shaft protein overload.

Hair types

Notes for different hair

All hair types (applied via leave-in scalp serums like The Ordinary Multi-Peptide Serum for thinning or fragile edges).

General patterns from our research, not rules. Hair of the same type can respond differently, so your own results count most.

Also protein

Other ingredients like it

Source: The Good Coil research · Ref ING-045Get this as data (JSON)How we write these